Zadar is an old town on the Adriatic coast. According to Greek records, settlement Jadosinos had existed since the 4th century B.C. in the location of Zadar. From the 1st century B.C. the settlement was under Roman rule and was called Jadera. Ancient Jadera was surrounded by walls. Emperor Augustus had built one of them. The village had a forum then, a special market (Emporium), and plumbing, whic... Zadar Tourist Information.